| 
       Accounting Policies (Details) (USD $) 
    In Thousands  | 
    
       Jul. 01, 2012 
     | 
    
       Oct. 02, 2011 
     | 
  
|---|---|---|
| Raw Materials | $ 3,829 | $ 3,917 | 
| Work in Process | 1,678 | 1,930 | 
| Finished Goods | 774 | 176 | 
| Gross Inventory | 6,281 | 6,023 | 
| Unliquidated Progress Payments | (431) | (1,181) | 
| Inventory Reserves | (826) | (754) | 
| Net Inventory | $ 5,024 | $ 4,088 | 
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